PreferenceSpecifiers Key stun_preference Title Stun server Type PSTextFieldSpecifier AutocapitalizationType None AutocorrectionType No DefaultValue DefaultValue Key debugenable_preference Title Debug Type PSToggleSwitchSpecifier AutocapitalizationType None AutocorrectionType No DefaultValue IsSecure Key prefix_preference KeyboardType NumberPad Title Prefix Type PSTextFieldSpecifier DefaultValue Key substitute_+_by_00_preference Title Substitue + by 00 Type PSToggleSwitchSpecifier DefaultValue Key wifi_only_preference Title Wifi only Type PSToggleSwitchSpecifier DefaultValue udp Key transport_preference Title Transport Titles udp tcp tls Type PSMultiValueSpecifier Values udp tcp tls DefaultValue None Key media_encryption_preference Title Media Encryption Titles None SRTP ZRTP Type PSMultiValueSpecifier Values None SRTP ZRTP DefaultValue Key start_at_boot_preference Title Start at boot Type PSToggleSwitchSpecifier DefaultValue Key backgroundmode_preference Title Background mode Type PSToggleSwitchSpecifier